Omeprazole/Cimetidine Oral Suspension (Anhydrous)

How to Give Anhydrous Oral Suspension

Oral Suspension (Anhydrous) is a liquid medication that does not contain water in its base. This might be an oil-based or other special base to help stabilize the medicine. It will look like a regular liquid medication, but often needs a good shake because the drug can settle. Here's how to give it:

1. Shake well each time to mix the medication (5-10 seconds).
2. Measure the dose using the syringe/dropper provided or one recommended by your vet. Insert the top of the oral syringe into the bottle adapter. Turn the bottle upside down and pull the plunger until the medicine reaches the volume required
3. Hold your pet steady: a towel or helper can assist with squirmy pets.
4. Administer the dose slowly into the side of the mouth. Allow small pauses if needed for swallowing.
5. Raise the head slightly to help the medication go down and clean any spills with a little water or tissue.
6. Praise your pet and offer a treat or water (unless advised against feeding right after).
7. Clean the syringe with water immediately after use. Store the bottle as directed, out of sunlight.
8. Consistency is key: Shake each time, measure accurately, and contact your vet if any issues arise.

This compounded formulation combines omeprazole, a proton pump inhibitor, with cimetidine, an H2-receptor antagonist — two different drug classes. In compounding practice, clinicians may consider a combination like this for a multi-targeted approach. Your veterinarian determines whether it is appropriate based on your animal's diagnostic findings.

At a pharmacological level, omeprazole acts as a proton pump inhibitor by irreversibly binding to the hydrogen-potassium ATPase enzyme system within the gastric parietal cells. This action suppresses the final step of acid secretion into the stomach lumen. Cimetidine acts as an H2 receptor antagonist by competitively inhibiting histamine at the receptors of the parietal cells. While both medications serve to manage acid levels, they act on different stages of the secretory process. This combination is intended to address the gastric environment through complementary mechanisms, providing a broader profile of acid modulation. Your veterinarian will determine if this specific combination is appropriate based on your horse's history, activity level and diagnostic findings.

This description reflects the general pharmacology of the active ingredient's drug class; your veterinarian determines whether this approach is appropriate for your animal.

Prescription only. Use only under the direction of a licensed veterinarian. This information is not a substitute for veterinary diagnosis, prescribing or monitoring. Compounded drugs are not approved by the FDA for safety or effectiveness.

Commonly observed effects of omeprazole/cimetidine may include mild gastrointestinal changes such as loose stools or transient changes in appetite shortly after administration. Because cimetidine is known to inhibit certain hepatic microsomal enzymes, it may influence the metabolism of other medications. Your veterinarian will monitor for potential medication interactions and may recommend specific timing for administration if your horse is receiving other prescriptions.

This medication is typically used with caution in patients with known liver or kidney impairment, as these systems are responsible for the processing and excretion of the active ingredients. It is essential to provide your veterinarian with a complete history of all other medications and supplements your horse is receiving, as the alteration of gastric pH can influence the absorption of other oral treatments. Always follow the professional guidance provided by your veterinarian regarding the duration of use and any necessary patient monitoring. Contact your veterinarian promptly if you observe significant behavioral changes, persistent diarrhea or any signs of physical discomfort during the administration period.